天鼓雷音佛

鼓音如來 Divyadundubhimeghanirghosa. One of the five Buddhas in the Garbhadhātu maṇḍala, on the north of the central group; said to be one of the dharmakāya of Sakyamuai, his 等流身 or universal emanation body; and is known as 不動尊 corresponding with Akṣobhya, cf. 五智如來 and 大日經疏 4.